PADI
| Acronym | Definition |
|---|---|
| PADI | Professional Association of Diving Instructors (scuba diving) |
| PADI | Preserving Access to Digital Information |
| PADI | PPPoE Active Discovery Initiation |
| PADI | Peptidyl Arginine Deiminase (biology) |
| PADI | Physical Access - Data Interception |
| PADI | Provisional Allowable Daily Intake |